CN215641723U - Battery voltage detection display device - Google Patents
Battery voltage detection display device Download PDFInfo
- Publication number
- CN215641723U CN215641723U CN202121935927.6U CN202121935927U CN215641723U CN 215641723 U CN215641723 U CN 215641723U CN 202121935927 U CN202121935927 U CN 202121935927U CN 215641723 U CN215641723 U CN 215641723U
- Authority
- CN
- China
- Prior art keywords
- light emitting
- emitting diode
- single chip
- pin
- voltage detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The application relates to a battery voltage detection display device, it includes switch spare, control and display spare, the display spare includes the illuminating part more than two at least, the control is connected with being surveyed the battery electricity and is used for detecting the current voltage of battery, the control is based on the voltage size output control signal to the illuminating part of being surveyed the battery to can make the illuminating part work alone or collective in order to realize being surveyed the voltage detection and/or the display of battery, the switch spare is used for cooperating the control to close or restart the illuminating part. This application has the effect of solving miniature electronic product battery voltage detection and the voltage direct display that becomes more meticulous.
Description
Technical Field
The application relates to the technical field of voltage display, in particular to a battery voltage detection display device.
Background
In the existing electronic products powered by batteries, the working or standby time is influenced by the battery capacity, and the battery voltage is required to be detected and displayed so as to help users to know the electric quantity condition of the batteries in real time; the direct voltage display mode is liquid crystal digital display and luminous digital display; the display mode of a plurality of light emitting diodes is adopted, and only rough display is shown as follows: 20%, 40%, 60%, 80%, 100%, and the like.
The existing related battery voltage detection technology needs to consume electric energy, is not environment-friendly enough, and can reduce the overall service time of a product when being used on a product powered by a battery; the digital display mode has complex circuit, high cost, occupies a certain volume and space, and is not beneficial to being used on small-volume electronic products.
In view of the above-mentioned related technologies, there are disadvantages that the existing battery voltage detection method has complicated circuit and uses many components.
SUMMERY OF THE UTILITY MODEL
In order to simplify a voltage detection circuit and reduce the cost of voltage detection, the application provides a battery voltage detection display device.
The application provides a battery voltage detection display device adopts following technical scheme:
the utility model provides a battery voltage detects display device, includes switch spare, control and display, the display includes the luminescent part more than two at least, the control is connected with being surveyed the battery electricity and is used for detecting the current voltage of battery, the control is based on the voltage size output control signal of being surveyed the battery to the luminescent part to can make the luminescent part work alone or collective in order to realize the voltage detection and/or the display of being surveyed the battery, the switch spare is used for cooperating the control to close or restart the luminescent part.
By adopting the technical scheme, when the control piece is the single chip microcomputer and the light emitting part is the light emitting diode, the single chip microcomputer supplies power by using the tested battery to implement voltage detection, and therefore, the voltage detection input ports can be reduced. The single chip microcomputer drives the corresponding light emitting diode connecting port through internal voltage sampling and comparison, high and low levels are output in a time-sharing scanning mode, so that the corresponding single or multiple light emitting diodes can shine or flash, and different voltages can be displayed respectively.
In addition, the light emitting diode may not be lighted at ordinary times in order to save electric quantity. Specifically, the singlechip can be triggered through the switch piece to send out a control signal for displaying so as to drive the light-emitting diode to work. When the LED is driven to display for a certain time, the LED can be automatically turned off. Therefore, the problems of battery voltage detection and display can be well solved. More importantly, the display mode of the fine voltage nixie tube is used in the prior art, the number of elements is large, the cost is high, the size is large, the number of elements required by the application is small, the structure is simple, the size is small, the cost is low, the voltage is fine, the power supply is saved, and the market demand can be better met.
Optionally, the control element comprises a single chip microcomputer chip U1, and the single chip microcomputer chip U1 is packaged by SOT-23-6.
By adopting the technical scheme, the battery voltage detection and display purposes can be accurately realized by adopting the single chip microcomputer chip U1, and the cost is lower. In addition, the packaging mode can ensure that the whole battery voltage detection display device has smaller volume and less occupied space.
Optionally, a filter capacitor C1 is connected between the power supply positive electrode V + and the power supply negative electrode V-of the single chip microcomputer chip U1, and one end of the filter capacitor C1 close to the power supply negative electrode V-is also connected to the ground GND.
Through adopting above-mentioned technical scheme, the stable work of whole battery voltage detection display device can be guaranteed in filter capacitor C1's existence, detects and shows voltage more accurately.
Optionally, the switch element includes a light touch key SW, one end of the light touch key SW is connected to the first pin of the single chip microcomputer chip U1, and the other end of the light touch key SW is grounded.
By adopting the technical scheme, the purpose of saving electric quantity can be achieved, namely, the display piece can be started when the display piece needs to be started, and the display piece is not started when the display piece does not need to be started.
Optionally, the light emitting unit includes a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3 and a light emitting diode LED4, an anode of the light emitting diode LED1 is connected to the sixth pin of the single chip microcomputer U1, and a cathode of the light emitting diode LED1 is connected to the fourth pin of the single chip microcomputer U1, a cathode of the light emitting diode LED2 is connected to the sixth pin of the single chip microcomputer U1, and an anode of the light emitting diode LED3 is connected to the fourth pin of the single chip microcomputer U1, an anode of the light emitting diode LED3 is connected to the cathode of the light emitting diode LED1, a cathode of the light emitting diode LED3 is connected to the third pin of the single chip microcomputer U1, a cathode of the light emitting diode LED4 is connected to the cathode of the light emitting diode LED1, and an anode of the light emitting diode LED4 is connected to the third pin of the single chip microcomputer U1.
By adopting the technical scheme, the single chip microcomputer chip U1 can drive the corresponding light-emitting diode connecting port through internal voltage sampling and comparison, when the single chip microcomputer chip U1 scans and outputs high and low levels in a time-sharing manner, the corresponding single or multiple light-emitting diodes can be lightened or flash, and accordingly, the voltage of the battery to be detected can be determined through the lightening number and lightening or flashing modes of the light-emitting diodes.
Optionally, the light emitting unit further includes a light emitting diode LED5 and a light emitting diode LED6, an anode of the light emitting diode LED5 is connected to the sixth pin of the single chip microcomputer chip U1, a cathode of the light emitting diode LED5 is connected to the third pin of the single chip microcomputer chip U1, an anode of the light emitting diode LED6 is connected to the third pin of the single chip microcomputer chip U1, and a cathode of the light emitting diode LED6 is connected to the sixth pin of the single chip microcomputer chip U1.
By adopting the technical scheme, the existence of the light-emitting diode LED5 and the light-emitting diode LED6 facilitates more precise display of the electric quantity of the battery.
Optionally, a first resistor R1 is disposed between the anode of the light emitting diode LED1 and the sixth pin of the single chip microcomputer chip U1, and a third resistor R3 is disposed between the light emitting diode LED1 and the light emitting diode LED 3.
By adopting the technical scheme, the light-emitting diode can be effectively protected, the light-emitting diode is prevented from being burnt out, and a power supply can be saved.
Optionally, a second resistor R2 is disposed between the anode of the light emitting diode LED5 and the sixth pin of the single chip microcomputer chip U1.
By adopting the technical scheme, the light-emitting diode can be effectively protected, the light-emitting diode is prevented from being burnt out, and meanwhile, the power supply can be saved.
Optionally, the light emitting diode LED1, the light emitting diode LED2, the light emitting diode LED3, the light emitting diode LED4, the light emitting diode LED5, and the light emitting diode LED6 are all packaged in 0603.
Through adopting above-mentioned technical scheme, can be so that whole battery voltage detects display device's volume is less, and occupation space is few, low in production cost, satisfying market demand that can be better.
In summary, the present application includes at least one of the following beneficial technical effects:
the battery voltage detection display device is few in required elements, simple in structure, small in size, low in cost, fine in voltage, power-saving and capable of meeting market demands better.
Drawings
FIG. 1 is a schematic block diagram of a battery voltage detection display device according to an embodiment of the present application;
FIG. 2 is a block diagram of a battery voltage detection display device according to an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a battery voltage detection display device according to an embodiment of the present application;
fig. 4 is a voltage display state diagram of the battery voltage detection display device in the embodiment of the present application.
Reference numerals: 1. a switch member; 2. a control member; 3. a display member.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses battery voltage detection display device can cover the normal use voltage of lithium cell, and fundamentally realizes that battery voltage detects and the demonstration that voltage becomes more meticulous, consequently can fine solution miniature electronic product battery voltage detection and the direct display problem that voltage becomes more meticulous.
Referring to fig. 1, the device comprises a switch member 1, a control member 2 and a display member 3, wherein the light emitting member comprises at least two light emitting portions, the control member 2 is electrically connected with a battery to be tested and used for detecting the current voltage of the battery, the control member 2 outputs a control signal to the light emitting portions based on the voltage of the battery to be tested, the light emitting portions can work individually or collectively to realize the voltage detection and/or display of the battery to be tested, and the switch member 1 is used for cooperating with the control member 2 to close or restart the light emitting portions.
Referring to FIG. 2, the control part 2 is a single chip microcomputer U1, and the model can be any one of FT61FO20-URT, PIC10F322T, MS83F0602, FT61F021A-RB, FT61F021B-RB, FT61F022A-RB or FT61FO 2F-MRB. In the present application, no limitation is made on the specific type of the single chip microcomputer U1, but any type of the single chip microcomputer that can achieve the control purpose of the present application is within the protection scope of the present application. In addition, the single chip microcomputer chip U1 is packaged by SOT-23-6. In other embodiments, the single chip microcomputer U1 can be packaged in any one of SOP-8, SOP-14, SOP-16 and MSOP-10.
Referring to fig. 2, a fifth pin of the single chip microcomputer chip U1 is connected to the anode of the tested battery, the cathode of the tested battery is connected to a second pin of the single chip microcomputer chip U1, the second pin is grounded, in order to ensure the stable operation of the single chip microcomputer chip U1, the two ends of the tested battery are connected in parallel with a filter capacitor C1, and the two ends of the filter capacitor C1 are respectively connected to the fifth pin and the third pin of the single chip microcomputer chip U1.
Referring to fig. 2, in order to accurately detect and display the battery voltage, the light emitting unit specifically includes 6 light emitting units, and the light emitting unit specifically is a light emitting diode.
Referring to fig. 2, in detail, the light emitting part includes a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a light emitting diode LED5 and a light emitting diode LED6, an anode of the light emitting diode LED1 is connected to the sixth pin of the one-chip microcomputer chip U1, a cathode of the light emitting diode LED1 is connected to the fourth pin of the one-chip microcomputer chip U1, a cathode of the light emitting diode LED2 is connected to the sixth pin of the one-chip microcomputer chip U1, an anode of the light emitting diode LED3 is connected to the fourth pin of the one-chip microcomputer chip U1, an anode of the light emitting diode LED3 is connected to the cathode of the light emitting diode LED1, and a cathode of the light emitting diode LED3 is connected to the third pin of the one-chip microcomputer chip U1.
Referring to fig. 2, a cathode of the light emitting diode LED4 is connected to a cathode of the light emitting diode LED1, and an anode of the light emitting diode LED4 is connected to a third pin of the single chip microcomputer U1. The anode of the light emitting diode LED5 is connected to the sixth pin of the single chip microcomputer chip U1, the cathode of the light emitting diode LED5 is connected to the third pin of the single chip microcomputer chip U1, the anode of the light emitting diode LED6 is connected to the third pin of the single chip microcomputer chip U1, and the cathode of the light emitting diode LED6 is connected to the sixth pin of the single chip microcomputer chip U1. The light emitting diodes LED 1-6 are all packaged 0603. In other embodiments, the light emitting diodes may be implemented using liquid crystal digital displays or nixie tube displays.
Referring to fig. 2, in order to effectively protect the LEDs 1-6 and save electric energy, a first resistor R1 is disposed between the anode of the LED1 and the sixth pin of the single chip microcomputer chip U1, a second resistor R2 is disposed between the anode of the LED5 and the sixth pin of the single chip microcomputer chip U1, and a third resistor R3 is disposed between the LED1 and the LED 3.
Referring to fig. 3, in order to save power, the switch element 1 may be a touch key SW, one end of the touch key SW is connected to the first pin of the microchip U1, and the other end of the touch key SW is grounded. When the electric quantity of the battery to be detected needs to be displayed, the touch key SW is pressed down, at the moment, the single chip microcomputer chip U1 sends out a display instruction, and the single chip microcomputer chip U1 outputs a control signal to enable the corresponding single or multiple light-emitting diodes to shine or flash. Meanwhile, after the light-emitting diodes 1-6 are initially powered on or the light-touch key SW is pressed, the light-emitting diodes LED 1-6 are displayed for a plurality of seconds, the light-emitting diodes LED is powered off and dormant after a plurality of seconds or when the voltage is lower than 3.0V, and when the light-touch key SW is pressed again, the light-touch key SW operates again to perform another turn of light-emitting display.
Referring to fig. 3, the battery voltage display is realized by scanning and changing the high and low levels of the output port in a time-sharing manner through the single chip U1, and driving 6 Light Emitting Diodes (LEDs) 1 to 6 through 3 ports (the sixth pin, the fourth pin, and the third pin of the single chip U1), so that up to 14 voltage displays are realized, and if the voltage of a common lithium battery is from 3.0 to 4.3V, fine voltages at intervals of 0.1V can be correspondingly displayed.
Referring to fig. 4, if the voltage of the battery to be measured is 3.2V, a terminal a of a pin 6 of the single chip microcomputer U1 outputs a high level voltage, a terminal B of a pin 4 of the single chip microcomputer U1 outputs a low level voltage, a current flows into an anode of the light emitting diode LED1 through the first resistor R1, and then flows out of the cathode to emit light, and a current flows into a pin 4 of the single chip microcomputer U1 at the terminal B, and then flows into a place below a pin 2 inside the single chip microcomputer U1.
When the voltage is 4.2V, the end C of the pin 3 of the single chip U1 outputs high level voltage, the end A of the pin 6 of the single chip U1 outputs low level voltage, the low level voltage flows into the anode of the LED6 and flows out from the cathode to emit light, current flows through the current limiting resistor R2 and then flows into the pin 6 of the single chip U1 at the end A, and the current flows to the ground under the pin 2 in the single chip U1. Other voltages work similarly and are not described one by one. Further, referring to fig. 4, when the battery voltage for power supply is at different voltage values, 6 light emitting diodes arranged at different positions emit light, the power battery voltage is 3.0-4.3V, and 14 fine voltages are divided at intervals of 0.1V, so that the light emitting diodes 1-6 at corresponding positions all flash, single long flash, and all long flash of the 6 light emitting diodes 1-6 are displayed.
The implementation principle of the battery voltage detection display device in the embodiment of the application is as follows: the singlechip chip U1 detects battery voltage through being surveyed battery power supply work simultaneously, implements battery voltage, and the mode of comparing external divider resistance and detecting being surveyed battery voltage can realize energy-concerving and environment-protective. This application utilizes few electronic component, and through ingenious connection timesharing drive 6 emitting diode LED1~6 constitute by the position of twinkling or shining for a long time and reach 14 kinds, from 3.0~4.3V, interval 0.1V to this, can guarantee that battery voltage detects display device simple structure, small, with low costs, and voltage monitoring process is more meticulous.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A battery voltage detection display device is characterized in that: including switch spare (1), control piece (2) and display (3), display (3) include at least more than two illuminating parts, control piece (2) are connected with being surveyed the battery electricity and are used for detecting the current voltage of battery, control piece (2) are based on the voltage size output control signal of being surveyed the battery to the illuminating part to can make the illuminating part work alone or collective in order to realize being surveyed the voltage detection and/or the display of battery, switch spare (1) are used for cooperating control piece (2) to close or restart the illuminating part.
2. The battery voltage detection display device according to claim 1, characterized in that: the control part (2) comprises a single chip microcomputer chip U1, and the single chip microcomputer chip U1 is packaged by SOT-23-6.
3. The battery voltage detection display device according to claim 2, characterized in that: a filter capacitor C1 is connected between the power supply positive electrode V + and the power supply negative electrode V-of the single chip U1, and one end, close to the power supply negative electrode V-, of the filter capacitor C1 is also connected to the ground end GND.
4. The battery voltage detection display device according to claim 2, characterized in that: the switch piece (1) comprises a light touch key SW, one end of the light touch key SW is connected to a first pin of the single chip microcomputer chip U1, and the other end of the light touch key SW is grounded.
5. The battery voltage detection display device according to claim 2, characterized in that: the light emitting part comprises a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3 and a light emitting diode LED4, the anode of the light emitting diode LED1 is connected to the sixth pin of the single chip U1, the cathode of the light emitting diode LED2 is connected to the fourth pin of the single chip U1, the cathode of the light emitting diode LED2 is connected to the sixth pin of the single chip U1, the anode of the light emitting diode LED3 is connected to the fourth pin of the single chip U1, the anode of the light emitting diode LED3 is connected to the cathode of the light emitting diode LED1, the cathode of the light emitting diode LED3 is connected to the third pin of the single chip U1, the cathode of the light emitting diode LED4 is connected to the cathode of the light emitting diode LED1, and the anode of the light emitting diode LED4 is connected to the third pin of the single chip U1.
6. The battery voltage detection display device according to claim 5, wherein: the light emitting part further comprises a light emitting diode LED5 and a light emitting diode LED6, the anode of the light emitting diode LED5 is connected to the sixth pin of the single chip microcomputer chip U1, the cathode of the light emitting diode LED5 is connected to the third pin of the single chip microcomputer chip U1, the anode of the light emitting diode LED6 is connected to the third pin of the single chip microcomputer chip U1, and the cathode of the light emitting diode LED6 is connected to the sixth pin of the single chip microcomputer chip U1.
7. The battery voltage detection display device according to claim 5, wherein: a first resistor R1 is arranged between the anode of the light emitting diode LED1 and the sixth pin of the single chip microcomputer chip U1, and a third resistor R3 is arranged between the light emitting diode LED1 and the light emitting diode LED 3.
8. The battery voltage detection display device according to claim 6, wherein: and a second resistor R2 is arranged between the anode of the light emitting diode LED5 and the sixth pin of the singlechip chip U1.
9. The battery voltage detection display device according to claim 6, wherein: the light emitting diode LED1, the light emitting diode LED2, the light emitting diode LED3, the light emitting diode LED4, the light emitting diode LED5 and the light emitting diode LED6 are all packaged by 0603.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121935927.6U CN215641723U (en) | 2021-08-17 | 2021-08-17 | Battery voltage detection display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121935927.6U CN215641723U (en) | 2021-08-17 | 2021-08-17 | Battery voltage detection display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641723U true CN215641723U (en) | 2022-01-25 |
Family
ID=79898958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121935927.6U Active CN215641723U (en) | 2021-08-17 | 2021-08-17 | Battery voltage detection display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215641723U (en) |
-
2021
- 2021-08-17 CN CN202121935927.6U patent/CN215641723U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9048685B2 (en) | Emergency lighting with charging indicator circuitry | |
| CN104333051B (en) | Mobile terminal and method of supplying power to | |
| CN110677953B (en) | Special arm lamp control circuit for gynecologist and obstetrician | |
| CN215641723U (en) | Battery voltage detection display device | |
| CN108870269A (en) | A kind of warning LED light and its control method | |
| CN202172519U (en) | Discharge circuit for solving problem of surplus brightness after switching off of LED lamp | |
| CN209045710U (en) | A kind of vibration-type electric quantity of lithium battery display | |
| CN211698114U (en) | Electric quantity detection circuit | |
| CN209329711U (en) | A kind of battery and charging assembly | |
| CN211297042U (en) | Multifunctional indicator lamp control circuit | |
| CN103091634A (en) | Battery level indicating circuit and indicating device and lamp | |
| CN202035180U (en) | Signal lamp circuit and signal lamp | |
| CN205984167U (en) | Novel DIP encapsulation LED module lamp plate structure | |
| CN218099348U (en) | Test pencil | |
| CN202679711U (en) | Light emitting diode drive circuit | |
| CN207117231U (en) | A kind of portable power source electricity indicating circuit and portable power source | |
| CN218332345U (en) | Quantitative water feeder control circuit | |
| CN112074037B (en) | Intelligent controller circuit system of solar street lamp | |
| CN209896155U (en) | Integrated battery device with electric quantity indicating function | |
| CN220726636U (en) | Outdoor fan control circuit | |
| CN209046311U (en) | A kind of touch electric quantity of lithium battery display | |
| CN212875465U (en) | Double-output power supply | |
| CN211018320U (en) | Waterproof portable power source of light | |
| CN218824627U (en) | Detection circuitry is reminded to battery power | |
| CN219644149U (en) | Ultralow-power-consumption battery electric quantity display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |